Apparatus for filtering air



FIG. 1 is a perspective front view of an apparatus for filtering air of the present invention;

FIG. 2 is a front side view of the apparatus for filtering air;

FIG. 3 is a back side view of the apparatus for filtering air;

FIG. 4 is a right side view of the apparatus for filtering air;

FIG. 5 is a left side view of the apparatus for filtering air;

FIG. 6 is a top view of the apparatus for filtering air; and,

FIG. 7 is a bottom view of the apparatus for filtering air.

Portions in the drawings shown in dashed lines do not form part of the claimed invention. The cross-hatch patterns in the drawings represent a fabric surface. 

CLAIM The ornamental design for the apparatus for filtering air, as shown and described. 